Chris Dawson’s missing wife Lyn might be ‘lost at sea’ like former PM Harold Holt, says the defence in the Teacher’s Pet murder trial.

Plus, fourth Covid jabs will be available to over-30s - but there’s a simple prevention measure we could all be taking.

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This episode of The Front is presented by Claire Harvey, produced by Hareem Khan and Kristen Amiet, and edited by Tiffany Dimmack. The multimedia editor is Lia Tsamoglou, and original music composed by Jasper Leak.